#6B91C6
Closest named color: Faded Blue (#658CBB). oklch(65% 0.09 256.8), rgb(107, 145, 198).
Aa
Black text reads best on this color (6.49:1).
About this color
#6B91C6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.090 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.021 away. Black text reads best on it, at 6.49:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.49:1 |
| White text | 3.23:1 |
Values
| HEX | #6B91C6 |
| RGB | rgb(107, 145, 198) |
| HSL | hsl(215, 44%, 60%) |
| OKLCH | oklch(65% 0.09 256.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6B91C6 | 3.23:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #6B91C6 | 6.49:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #6B91C6 text on white | 3.23:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #6B91C6 text on black | 6.49:1 | AA | Lc -42.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AFC2DE
oklch(80.9% 0.045 258)
-
Step 400
400
#84A3CD
oklch(70.8% 0.071 256.1)
-
Step 500
500 (this color)
#6B91C6
oklch(65% 0.09 256.8)
-
Step 600
600
#4C74AC
oklch(55.5% 0.099 257)
-
Step 700
700
#3D6294
oklch(49.2% 0.091 256.3)
-
Step 800
800
#335078
oklch(42.8% 0.075 256.7)
-
Step 900
900
#2D4261
oklch(37.6% 0.06 258)
-
Step 950
950
#1A2739
oklch(27% 0.038 256.7)
#6B91C6 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7D94C8 | 0.025 |
| Deuteranopia (no green cones) | #728BC5 | 0.017 |
| Tritanopia (no blue cones) | #469DA3 | 0.081 |
| Achromatopsia (no color) | #8F8F8F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B91C6
#6B91C6
oklch(65% 0.09 256.8)
- #AE884C
#AE884C
oklch(65% 0.091 77.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B91C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.021
- Silver Lake Blue #778DA9 ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.050
- Blue Grey #758DA3 ΔE 0.052
- Off Blue #5684AE ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.057
- Cool Blue #4984B8 ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.060
Use #6B91C6 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.